CN218531161U

CN218531161U - Sand mill with novel filter screen structure

Info

Publication number: CN218531161U
Application number: CN202221128909.1U
Authority: CN
Inventors: 陆小虎; 莫铭伟; 翟晓光
Original assignee: Changzhou Longxin Intelligent Equipment Co ltd
Current assignee: Changzhou Longxin Intelligent Equipment Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2023-02-28
Anticipated expiration: 2032-05-11

Abstract

The utility model provides a sand mill with a novel filter screen structure, which comprises a grinding cylinder body, wherein the tail end of the grinding cylinder body is provided with a first filter screen and a second filter screen; the first filter screen and the second filter screen are independent and work alternately. The first filter screen and the second filter screen are used as independent discharging units, so that free switching can be realized; when the first filter screen is used for discharging and the second filter screen does not work, part of materials in the first filter screen are extracted through the external diaphragm pump and are reversely pumped into the second filter screen through a pipeline of the second filter screen, the materials can be pumped into the outer side of the second filter screen through pressure difference, and the filter screens are cleaned; meanwhile, pressure change is generated outside the filter screen to disturb the flow line of the fluid, so that accumulation, sedimentation and sticking are not easy to generate; the same operation can be used for cleaning the first filter screen; in conclusion, the continuous and effective operation of the sand mill is realized, so that the production efficiency is improved.

Description

Sand mill with novel filter screen structure

Technical Field

The utility model relates to a sand mill technical field specifically is a sand mill with novel filter screen structure.

Background

The sand mill is also called bead mill, and is mainly used for wet grinding of chemical liquid products, and can be classified into a horizontal sand mill, a basket type sand mill, a vertical sand mill and the like according to the use performance. The machine mainly comprises a machine body, a grinding cylinder, a sand grinding disc (deflector rod), grinding media, a motor and a feeding pump, wherein the feeding speed is controlled by the feeding pump. The grinding media of the apparatus are generally classified into zirconia beads, glass beads, zirconium silicate beads, and the like.

The sand mill is the grinding equipment with the widest material adaptability, the most advanced and the highest efficiency, the grinding cavity is the narrowest, the deflector rod gap is the smallest, the grinding energy is the most intensive, and the continuous material processing and continuous discharging can be realized by matching with a high-performance cooling system and an automatic control system, so that the production efficiency is greatly improved.

The ejection of compact structure of traditional sand mill is through the grinding ball of independent filter screen filtration sand mill, and the diameter of filter screen is less than the grinding ball, and the material diameter is littleer can pass through in the gap of filter screen. Because some powder can not dissolve, and can be along with the change of time, the separation of solvent and powder can appear in the outside of filter screen in the mixture of powder and liquid, makes the concentration of the powder of filter screen outside higher and higher, and the material can be glued the outside at the filter screen thereupon to block up the filter screen, influence the operation of equipment.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem in the background art, the utility model discloses a sand mill with novel filter screen structure.

The utility model provides a sand mill with a novel filter screen structure, which comprises a grinding cylinder body, wherein the tail end of the grinding cylinder body is provided with a first filter screen and a second filter screen;

the first filter screen and the second filter screen are independent and work alternately.

The first filter screen and the second filter screen are used as independent discharging units, so that free switching can be realized; when the first filter screen is used for discharging and the second filter screen does not work, part of materials in the first filter screen are extracted through the external diaphragm pump and are reversely pumped into the second filter screen through a pipeline of the second filter screen, the materials can be pumped into the outer side of the second filter screen through pressure difference, and the filter screens are cleaned; meanwhile, pressure change is generated outside the filter screen, and a flow line of fluid is disturbed, so that accumulation, sedimentation and sticking are not easy to generate; the same operation can be used for cleaning the first filter screen; in conclusion, the continuous and effective operation of the sand mill is realized, so that the production efficiency is improved.

The specific structure of first filter screen and second filter screen does: be equipped with first pipeline on the first filter screen, be equipped with the second pipeline on the second filter screen, all be provided with pneumatic three-way valve on first pipeline and the second pipeline to gather to the discharging pipe.

The first filter screen and the second filter screen are barrel-shaped, are connected end to end, and are separated by the partition board.

Further, the inner diameter and the outer diameter of the first filter screen and the second filter screen are equal. So set up, first filter screen and second filter screen are connected more conveniently.

The problem is further improved and solved because the conventional first pipe bypasses the second filter screen, has a long path, is not only complicated in distribution, but also high in cost, and particularly, the first pipe penetrates through the inner cavity of the second filter screen.

The specific structure of the first pipeline is as follows: the first filter screen afterbody is equipped with the apron, the baffle is equipped with the through-hole, the through-hole is connected with first pipeline.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a front view of the present invention with a partial cutaway;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a right side view of the present invention;

in the figure: 1. grinding the cylinder body; 2. a first filter screen; 3. a second filter screen; 4. a first conduit; 5. a second pipe; 6. a pneumatic three-way valve; 7. a discharge pipe; 8. a cover plate; 9. a through hole; 10. a partition plate; 11. a diaphragm pump.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

The first embodiment is as follows:

as shown in fig. 1 and fig. 3, the utility model relates to a sand mill with novel filter screen structure, including the grinding vessel body 1, the 1 tail end of grinding vessel body is provided with first filter screen 2 and second filter screen 3.

Be equipped with first pipeline 4 on the first filter screen 2, be equipped with second pipeline 5 on the second filter screen 3, all be provided with pneumatic three-way valve 6 on first pipeline 4 and the second pipeline 5 to gather to discharging pipe 7, thereby realize that first filter screen 2 and second filter screen 3 are independent, work in turn.

The first filter screen 2 and the second filter screen 3 are used as independent discharging units, so that free switching can be realized; when the first filter screen 2 is used for discharging and the second filter screen 3 does not work, part of materials in the first filter screen 2 are extracted through the external diaphragm pump 11 and are reversely pumped into the second filter screen 3 through a pipeline of the second filter screen 3, the materials can be pumped into the outer side of the second filter screen 3 through pressure difference, and the filter screens are cleaned; meanwhile, pressure change is generated outside the filter screen, and a flow line of fluid is disturbed, so that accumulation, sedimentation and sticking are not easy to generate; the same operation can be used to clean the first screen 2; in conclusion, the continuous and effective operation of the sand mill is realized, so that the production efficiency is improved.

Example two:

compared with the first embodiment, the differences are as follows: first filter screen 2 and second filter screen 3 are the barrel form, and its end to end, the link separates through baffle 10. So set up, reducible filter screen occupation space, the dull polish machine structure is compacter.

Example three:

compared with the two examples, the difference is that: the inner and outer diameters of the first filter screen 2 and the second filter screen 3 are equal. So set up, first filter screen 2 and second filter screen 3 are connected more conveniently.

Example four:

compared with the three phases of the embodiment, the differences are as follows: as shown in fig. 2, the first duct 4 passes through the inner cavity of the second screen 3. The tail of the first filter screen 2 is provided with a cover plate 8, the partition plate 10 is provided with a through hole 9, and the through hole 9 is connected with the first pipeline 4. Therefore, the path of the first pipeline 4 can be shortened, so that the first pipeline 4 can be conveniently arranged, and the cost is saved.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A sand mill with novel filter screen structure, includes grinding barrel (1), its characterized in that: the tail end of the grinding cylinder body (1) is provided with a first filter screen (2) and a second filter screen (3);

the first filter screen (2) and the second filter screen (3) are independent and work alternately;

be equipped with first pipeline (4) on first filter screen (2), be equipped with second pipeline (5) on second filter screen (3), all be provided with pneumatic three-way valve (6) on first pipeline (4) and second pipeline (5) to gather to discharging pipe (7).

2. The sander with the novel screen structure of claim 1, wherein: the first filter screen (2) and the second filter screen (3) are barrel-shaped and are connected end to end, and the connecting ends are separated by the partition plates (10).

3. The sander with the novel screen structure of claim 2, wherein: the inner diameter and the outer diameter of the first filter screen (2) are equal to those of the second filter screen (3).

4. The sander with the novel screen structure of claim 2, wherein: the first pipeline (4) penetrates through the inner cavity of the second filter screen (3).

5. The sander with the novel screen structure of claim 4, wherein: first filter screen (2) afterbody is equipped with apron (8), baffle (10) are equipped with through-hole (9), through-hole (9) are connected with first pipeline (4).